and it's just over a year ago that hurricane irene caused record flooding in the northeast. but with sandy came new records and according to new york governor andrew cuomo, more pressure for governments to act. >> i joke that every two years we have a 100 year flood. the frequency is way up. it is not prudent, to sit here, i believe, at this point and say, well it's not going to happen again. once you have that recognition, then what are you doing about it. and what design changes, what construction changes are you making to deal with it. >> suarez: as new york struggles to recover from sandy, cuomo looked to the long-term, calling for a "fundamental rethinking of our built environment." one key issue: how to protect the new york subway system which experienced the worst damage in it's 108 year history. many stations remain submerged under several feet of water even as limited operations are expected to resume tomorrow. but infrastructure renovations are not always a clear fix. mayor michael bloomberg, who has taken a number of steps to make new york a greener city, has not